An early century diamond and opal set brooch, designed as a three panel opal centre within old-cut diamond set openwork scroll border, all supporting opal drop, all claw, collet and pave set in yellow and white metal.
A RARE GEORGIAN DIAMOND AND ENAMEL BROOCH Designed as a blue enamel urn, centering upon a modified briolette-cut diamond, enhanced by rose-cut diamond trim, mounted in silver and gold, circa 1820 Numbered 32
AN ANTIQUE SAPPHIRE AND DIAMOND BROOCH Designed as an old-cut diamond and sapphire fleur de lis, centering upon a cushion-cut sapphire, weighing approximately 4.04 carats, circa 1885; sold 187,500 USD; 06/12/17. Christies
Art Deco Platinum, Emerald, and Diamond Brooch, set with an emerald-cut emerald measuring approx. 8.20 x 6.10 x 4.30 mm, further set with baguette-, old European-, single-, and fancy-cut diamonds, approx. total diamond wt. 3.00 cts., fancy-cut emerald accents, millegrain details, lg. 2 1/8 in. #Diamondbrooch
AN ART DECO EMERALD AND DIAMOND BROOCH. The central octagonal emerald within an onyx and diamond surround to the openwork rectangular panel and diamond fringe with cabochon sapphire and ruby floral detail and onyx terminals, circa by chrystal
This magnificent Art Deco diamond brooch pin features the most amazing antique diamonds. The total diamond weight is carats. The center old European cut diamond weighs just over 1 full carat. The six larger old Euro accent diamonds total carats.